The first automatic transmission to make use of a torque converter (as opposed to a fluid coupling) was the Buick Dynaflow, which was introduced with the 1948 model yr. In normal driving, the Dynaflow employed just the leading gear, relying on the torque multiplication with the torque convertor at lessen https://gearboxauto68900.laowaiblog.com/32802096/the-ultimate-guide-to-gearbox-auto